Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic database updates. The core of the package is an anti-virus engine available in a form of shared library.

ClamAV also can be use to look if there any malicious code e.g. web shell that has been uploaded into your server. So here I show you on how to install ClamAV on Ubuntu Server 12.04

Step 1. Install ClamAV on Ubuntu Server
root@gh0st:~# apt-get install clamav

Step 2: Update antivirus database
root@gh0st:~# freshclam

Step 3: Scan virus on your Ubuntu Server
root@gh0st:~# clamscan –recursive=yes –cross-fs=yes
/root/ OK
/root/.php_history: OK
/root/.nano_history: OK
/root/.goaccessrc: OK
/root/.rnd: OK
/root/.bashrc: OK
/root/.viminfo: OK
/root/.ircmotd: Empty file
/root/.mysql_history: OK
/root/ OK
/root/.profile: OK
/root/.bash_history: OK
/root/ OK

———– SCAN SUMMARY ———–
Known viruses: 2533901
Engine version: 0.97.8
Scanned directories: 1
Scanned files: 12
Infected files: 0
Data scanned: 0.11 MB
Data read: 0.05 MB (ratio 1.93:1)
Time: 4.765 sec (0 m 4 s)

By zam

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